1621399745 (number)

1621399745 is an odd 10-digits composite number following 1621399744 and preceding 1621399746. In scientific notation, it is written as 1.621399745 × 10^9. The sum of its digits is 47. It has a total of 2 prime factors and 4 positive divisors. There are 1111816944 positive integers (up to 1621399745) that are relatively prime to 1621399745.

Interesting facts

Basic properties

Name

Name one billion six hundred twenty-one million three hundred ninety-nine thousand seven hundred forty-five

Notation

Scientific notation 1.621399745 × 10^9
Engineering notation 1.621399745 × 10^9

Prime Factorization of 1621399745

Prime Factorization 35 × 46325707

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 1621399745
Product of the distinct prime numbers

The prime factorization of 1621399745 is 35 × 46325707. Since it has a total of 2 prime factors.

Most popular turbo-numbers

6, 4, 100, 46, 820, 380, 2249, 3024, 57304, 72141, 262762, 909531, 3164106, 9243100, 69482831, 88903731, 617340649, 28242408, 7059217425, 1878973820

Basic calculations (n = 1621399745)

Multiplication

n×y
n×2 3242799490
n×3 4864199235
n×4 6485598980
n×5 8106998725

Division

n÷y
n÷2 810699872.5
n÷3 540466581.66667
n÷3 405349936.25
n÷5 324279949

Exponentiation

ny
n2 2628937133086065025
n3 4.2625579972068E+27
n4 6.9113104497188E+36
n5 1.120599700079E+46

Nth Root

y√n
2√n 40266.608312596
3√n 1174.7984552459
4√n 200.66541384253
5√n 69.498914284938

Divisors of 1621399745

1, 35, 46325707, 1621399745

4 divisors

τ Total Divisors 4
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -1621399744
Sum of the proper positive divisors of n
A Arithmetic Mean 0.25
Returns the sum of divisors (σ(n)) divided by the total number of divisors (τ(n))
G Geometric Mean 1
Returns the nth root of the product of n divisors
H Harmonic Mean 4
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 1621399745 can be divided by 4 positive divisors. The sum of these divisors (counting 1621399745) is 1, the average is 0.25.

Base conversion 1621399745

Base System Value
2 Binary 1100000101001001001100011000001
3 Ternary 11011222221122022102
4 Quaternary 1200221021203001
5 Quinary 11310034242440
6 Senary 424520120145
8 Octal 14051114301
10 Decimal 1621399745
12 Duodecimal 393006055
16 Hexadecimal 60a498c1
20 Vigesimal 156dej75
36 Base36 qtc81t

Cryptographic Hash Functions

md5 7cc615cbd8c62d5a0ad4b138cad7da31
sha1 b0f975d10d76a18809d3ae81e46e59eb3d95e39d
sha256 d6902c3543c881c741643fc9b96a0742399eb0f4de46043c1f19684611785ffc
sha512 f8a6fa9b8cdb3a3db5baf38bc8883121c5af9de884eeb63ff82a6c78ccf5370663133018dc682f1014e97ba6aeaf44c5f8ae6c019ad3e6d626313ac11d5fd974
ripemd-160 635864b03bbbd8f3d307905facddf55a0e8afed7

1621399745 as geometric shapes

Circle

Radius = n
Diameter 3242799490
Circumference 10187555054.849
Area 8.2590495840526E+18

Sphere

Radius = n
Volume 1.7854961186034E+28
Surface area 3.303619833621E+19
Circumference 10187555054.849

Square

Length = n
Perimeter 6485598980
Area 2628937133086065025
Diagonal 2293005509.4073

Cube

Length = n
Surface area 1.5773622798516E+19
Volume 4.2625579972068E+27
Space diagonal 2808346737.7192

Equilateral Triangle

Length = n
Perimeter 4864199235
Area 1.1383631711024E+18
Altitude 1404173368.8596

Triangular Pyramid

Length = n
Surface area 1.1383631711024E+18
Volume 5.0234727750431E+26
Height 764335169.80243